Home / 204,155.42-306,033.56-91,863.90

Finding the Fourth Proportional to 204,155.42, 306,033.56 and 91,863.90

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Solution

The fourth proportional to 204,155.42, 306,033.56 and 91,863.90 is: 137,706.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,155.42 : 306,033.56 = 91,863.90 : x
  2. Step 2: Convert to fraction form
    204,155.42/306,033.56 = 91,863.90/x
  3. Step 3: Cross multiply
    204,155.42x = 306,033.56 × 91,863.90
  4. Step 4: Simplify right side
    204,155.42x = 28,113,435,893.16
  5. Step 5: Solve for x
    x = 28,113,435,893.16/204,155.42
  6. Step 6: Final answer
    x = 137,706.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.